.img-div{
    width: 80px;
    height: 80px;
    border: 1px solid darkgray;
    border-radius: 50%;
    margin: 0 auto;
    overflow: hidden;
}
.img-div img {
    width: 100%;
    height: 100%;
}
.bial1{
    position: absolute;
    top: 0;
    width:100%;
    height: 100%;
    opacity: 0;
}